77843114401 has 8 divisors (see below), whose sum is σ = 83909481320. Its totient is φ = 71787952512.

The previous prime is 77843114389. The next prime is 77843114413. The reversal of 77843114401 is 10441134877.

It is an interprime number because it is at equal distance from previous prime (77843114389) and next prime (77843114413).

It can be written as a sum of positive squares in 4 ways, for example, as 216796176 + 77626318225 = 14724^2 + 278615^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77843114401 - 2⁹ = 77843113889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77843114201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2786820 + ... + 2814613.

It is an arithmetic number, because the mean of its divisors is an integer number (10488685165).

Almost surely, 2^77843114401 is an apocalyptic number.

It is an amenable number.

77843114401 is a deficient number, since it is larger than the sum of its proper divisors (6066366919).

77843114401 is a wasteful number, since it uses less digits than its factorization.

77843114401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5602515.

The product of its (nonzero) digits is 75264, while the sum is 40.

The spelling of 77843114401 in words is "seventy-seven billion, eight hundred forty-three million, one hundred fourteen thousand, four hundred one".